Add aarch64-macos (M1) to the release build matrix

.github/workflows/release.yml

@@ -15,7 +15,7 @@ jobs:
     strategy:
       fail-fast: false # don't fail other jobs if one fails
       matrix:
-        build: [x86_64-linux, aarch64-linux, x86_64-macos, x86_64-windows] #, x86_64-win-gnu, win32-msvc
+        build: [x86_64-linux, aarch64-linux, x86_64-macos, aarch64-macos, x86_64-windows] #, x86_64-win-gnu, win32-msvc
         include:
         - build: x86_64-linux
           os: ubuntu-20.04
@@ -37,6 +37,10 @@ jobs:
           rust: stable
           target: x86_64-pc-windows-msvc
           cross: false
+        - build: aarch64-macos
+          os: macos-latest
+          rust: stable
+          target: aarch64-apple-darwin
         # - build: x86_64-win-gnu
         #   os: windows-2019
         #   rust: stable-x86_64-gnu